~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems, Inc.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#pragma once

#include <stddef.h>

namespace drizzled

{

/*

  LEX_STRING -- a pair of a C-string and its length.

*/

/* This definition must match the one given in mysql/plugin.h */

typedef struct lex_string_t

{

  char *str;

  size_t length;

} LEX_STRING;

inline const LEX_STRING &null_lex_string()

{

  static LEX_STRING tmp= { NULL, 0 };

  return tmp;

}

#define NULL_LEX_STRING null_lex_string()

struct execute_string_t : public lex_string_t

{

private:

  bool is_variable;

public:

  bool isVariable() const

  {

    return is_variable;

  }

  void set(const lex_string_t& ptr, bool is_variable_arg= false)

  {

    is_variable= is_variable_arg;

    str= ptr.str;

    length= ptr.length;

  }

};

#define STRING_WITH_LEN(X) (X), (static_cast<size_t>((sizeof(X) - 1)))

#define C_STRING_WITH_LEN(X) (const_cast<char *>((X))), (static_cast<size_t>((sizeof(X) - 1)))

} /* namespace drizzled */